HealthAugust 18, 2026
reuptake
REE-up-teyk
Definition
The process by which a neurotransmitter is reabsorbed by the presynaptic neuron that released it, effectively terminating its signal.
Etymology
The word is composed of the prefix 're-' meaning 'again' and the noun 'uptake', which refers to the absorption or assimilation of a substance. It emerged in medical and biological contexts during the mid-20th century to describe the recycling of neurotransmitters.
In the news
The article explains how methamphetamine disrupts brain chemistry by blocking the reuptake of dopamine, serotonin, and norepinephrine, causing them to accumulate and remain active in the synapse for an extended period.
Graduate researcher leads landmark methamphetamine treatment systematic review
Read the full article ↗Medical Xpress